Home / 10,872.33-16,308.92-3,376.67

Finding the Fourth Proportional to 10,872.33, 16,308.92 and 3,376.67

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Solution

The fourth proportional to 10,872.33, 16,308.92 and 3,376.67 is: 5,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.33 : 16,308.92 = 3,376.67 : x
  2. Step 2: Convert to fraction form
    10,872.33/16,308.92 = 3,376.67/x
  3. Step 3: Cross multiply
    10,872.33x = 16,308.92 × 3,376.67
  4. Step 4: Simplify right side
    10,872.33x = 55,069,890.11
  5. Step 5: Solve for x
    x = 55,069,890.11/10,872.33
  6. Step 6: Final answer
    x = 5,065.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.